Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a92626268518772b5ad82aa8dba182da0775e3fbd14b76b3b5cb1fdf39a5d81c' 
  AND token = '3b9+w1HxKji4C+NTcbYu6PBwERI2FuPoag3Onl+2K7o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}